Experience pure, superior sound in noisy environments with these Avantree Active Noise Cancelling Wireless Headphones. With high precision-engineered 40mm stereo drivers, you can enjoy your music in smooth and dynamic quality. They also effectively eliminate distracting low-frequency background noise while preserving the natural characteristics of the source audio. Perfect for travel, these headphones reduce engine hum on long flights or train rides and comes with a convenient and durable carry case for easy storage and packing.